oa-email-code-login 实现邮箱验证码登录

server/prisma/migrations/20260526211500_email_code_login/migration.sql

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+CREATE TABLE "email_login_codes" (
+    "id" UUID NOT NULL,
+    "employee_id" UUID NOT NULL,
+    "code_hash" TEXT NOT NULL,
+    "expires_at" TIMESTAMP(3) NOT NULL,
+    "used_at" TIMESTAMP(3),
+    "attempts_count" INTEGER NOT NULL DEFAULT 0,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "created_ip" TEXT,
+    "created_user_agent" TEXT,
+
+    CONSTRAINT "email_login_codes_pkey" PRIMARY KEY ("id")
+);
+
+CREATE INDEX "email_login_codes_employee_id_created_at_idx"
+    ON "email_login_codes"("employee_id", "created_at");
+
+CREATE INDEX "email_login_codes_expires_at_idx"
+    ON "email_login_codes"("expires_at");
+
+ALTER TABLE "email_login_codes"
+    ADD CONSTRAINT "email_login_codes_employee_id_fkey"
+    FOREIGN KEY ("employee_id") REFERENCES "employees"("id")
+    ON DELETE RESTRICT ON UPDATE CASCADE;